Wireless mobile speaker



FIG. 1 is a front perspective view of a wireless mobile speaker,embodying our new design;

FIG. 2 is a back perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a back view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is a bottom view thereof.

CLAIM The ornamental design for a wireless mobile speaker, as shown anddescribed.